#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h>
#include "misc.h"
#include "cfb.h"
#include "cfbmskbits.h"
#include "servermd.h"
#include "miline.h"
void
cfbBresS(rop, and, xor, addrl, nlwidth, signdx, signdy, axis, x1, y1, e, e1,
e2, len)
int rop;
CfbBits and, xor;
CfbBits *addrl;
int nlwidth;
register int signdx;
int signdy;
int axis;
int x1, y1;
register int e;
register int e1;
int e2;
int len;
{
register int e3 = e2-e1;
#if PSZ == 24
CfbBits piQxelXor[3],piQxelAnd[3];
char *addrb;
int nlwidth3, signdx3;
#endif
#ifdef PIXEL_ADDR
register PixelType *addrp;
if (len == 0)
return;
nlwidth <<= PWSH;
#if PSZ == 24
addrp = (PixelType *)(addrl) + (y1 * nlwidth);
addrb = (char *)addrp + x1 * 3;
piQxelXor[0] = (xor << 24) | xor;
piQxelXor[1] = (xor << 16)| (xor >> 8);
piQxelXor[2] = (xor << 8) | (xor >> 16);
piQxelAnd[0] = (and << 24) | and;
piQxelAnd[1] = (and << 16)| (and >> 8);
piQxelAnd[2] = (and << 8) | (and >> 16);
#else
addrp = (PixelType *)(addrl) + (y1 * nlwidth) + x1;
#endif
if (signdy < 0)
nlwidth = -nlwidth;
e = e-e1;
#if PSZ == 24
nlwidth3 = nlwidth * sizeof (CfbBits);
signdx3 = signdx * 3;
#endif
if (axis == Y_AXIS)
{
int t;
t = nlwidth;
nlwidth = signdx;
signdx = t;
#if PSZ == 24
t = nlwidth3;
nlwidth3 = signdx3;
signdx3 = t;
#endif
}
if (rop == GXcopy)
{
--len;
#if PSZ == 24
#define body_copy \
addrp = (PixelType *)((unsigned long)addrb & ~0x03); \
switch((unsigned long)addrb & 3){ \
case 0: \
*addrp = ((*addrp)&0xFF000000)|(piQxelXor[0] & 0xFFFFFF); \
break; \
case 1: \
*addrp = ((*addrp)&0xFF)|(piQxelXor[2] & 0xFFFFFF00); \
break; \
case 3: \
*addrp = ((*addrp)&0xFFFFFF)|(piQxelXor[0] & 0xFF000000); \
*(addrp+1) = ((*(addrp+1))&0xFFFF0000)|(piQxelXor[1] & 0xFFFF); \
break; \
case 2: \
*addrp = ((*addrp)&0xFFFF)|(piQxelXor[1] & 0xFFFF0000); \
*(addrp+1) = ((*(addrp+1))&0xFFFFFF00)|(piQxelXor[2] & 0xFF); \
break; \
}
#define body {\
body_copy \
addrb += signdx3; \
e += e1; \
if (e >= 0) \
{ \
addrb += nlwidth3; \
e += e3; \
} \
}
#else
#define body {\
*addrp = xor; \
addrp += signdx; \
e += e1; \
if (e >= 0) \
{ \
addrp += nlwidth; \
e += e3; \
} \
}
#endif
while (len >= 4)
{
body body body body
len -= 4;
}
switch (len)
{
case 3: body case 2: body case 1: body
}
#undef body
#if PSZ == 24
body_copy
# undef body_copy
#else
*addrp = xor;
#endif
}
else
{
while(len--)
{
#if PSZ == 24
addrp = (PixelType *)((unsigned long)addrb & ~0x03);
switch((unsigned long)addrb & 3){
case 0:
*addrp = (*addrp & (piQxelAnd[0]|0xFF000000))
^ (piQxelXor[0] & 0xFFFFFF);
break;
case 1:
*addrp = (*addrp & (piQxelAnd[2]|0xFF))
^ (piQxelXor[2] & 0xFFFFFF00);
break;
case 3:
*addrp = (*addrp & (piQxelAnd[0]|0xFFFFFF))
^ (piQxelXor[0] & 0xFF000000);
*(addrp+1) = (*(addrp+1) & (piQxelAnd[1]|0xFFFF0000))
^ (piQxelXor[1] & 0xFFFF);
break;
case 2:
*addrp = (*addrp & (piQxelAnd[1]|0xFFFF))
^ (piQxelXor[1] & 0xFFFF0000);
*(addrp+1) = (*(addrp+1) & (piQxelAnd[2]|0xFFFFFF00))
^ (piQxelXor[2] & 0xFF);
break;
}
e += e1;
if (e >= 0)
{
addrb += nlwidth3;
e += e3;
}
addrb += signdx3;
#else
*addrp = DoRRop (*addrp, and, xor);
e += e1;
if (e >= 0)
{
addrp += nlwidth;
e += e3;
}
addrp += signdx;
#endif
}
}
#else
register CfbBits tmp, bit;
CfbBits leftbit, rightbit;
#if PSZ == 24
addrl = (addrl + (y1 * nlwidth) + ((x1 * 3) >>2);
#else
addrl = (addrl + (y1 * nlwidth) + (x1 >> PWSH));
#endif
if (signdy < 0)
nlwidth = -nlwidth;
e = e-e1;
leftbit = cfbmask[0];
#if PSZ == 24
rightbit = cfbmask[(PPW-1)<<1];
bit = cfbmask[(x1 & 3)<<1];
#else
rightbit = cfbmask[PPW-1];
bit = cfbmask[x1 & PIM];
#endif
if (axis == X_AXIS)
{
if (signdx > 0)
{
while (len--)
{
*addrl = DoMaskRRop (*addrl, and, xor, bit);
bit = SCRRIGHT(bit,1);
e += e1;
if (e >= 0)
{
addrl += nlwidth;
e += e3;
}
if (!bit)
{
bit = leftbit;
addrl++;
}
}
}
else
{
while (len--)
{
*addrl = DoMaskRRop (*addrl, and, xor, bit);
e += e1;
bit = SCRLEFT(bit,1);
if (e >= 0)
{
addrl += nlwidth;
e += e3;
}
if (!bit)
{
bit = rightbit;
addrl--;
}
}
}
}
else
{
if (signdx > 0)
{
while(len--)
{
*addrl = DoMaskRRop (*addrl, and, xor, bit);
e += e1;
if (e >= 0)
{
bit = SCRRIGHT(bit,1);
if (!bit)
{
bit = leftbit;
addrl++;
}
e += e3;
}
addrl += nlwidth;
}
}
else
{
while(len--)
{
*addrl = DoMaskRRop (*addrl, and, xor, bit);
e += e1;
if (e >= 0)
{
bit = SCRLEFT(bit,1);
if (!bit)
{
bit = rightbit;
addrl--;
}
e += e3;
}
addrl += nlwidth;
}
}
}
#endif
}